Alert archive / New Jersey / River Flood Warnings in 2023

River Flood Warning 18, NWS Philadelphia/Mount Holly

June 27, 2023Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this river flood warning at Jun 27, 2023, 4:04 AM EDT for Morris County, New Jersey. It took effect at Jun 27, 2023, 7:00 AM EDT. It was in force for 19 hr.

The area

The outline as issued.

The facts

Issued
Jun 27, 2023, 4:04 AM EDT (08:04 UTC)
In effect from
Jun 27, 2023, 7:00 AM EDT
Expired
Jun 28, 2023, 2:00 AM EDT
In force
19 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Flood severity
Minor

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 103 km from the middle of the area, began a volume at 08:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Rockaway River at Boonton below reservoir (BONN4). The gauge peaked at 5.85 ft at Jun 27, 2023, 2:00 PM EDT.

actionminormoderatemajor246806/2706/2806/29
Action stage
4.5 ft
Minor stage
5 ft
Moderate stage
7 ft
Major stage
8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01381000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

623 
WGUS41 KPHI 270804
FLWPHI

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Mount Holly NJ
404 AM EDT Tue Jun 27 2023

...The National Weather Service in Mount Holly NJ has issued a Flood 
Warning for the following rivers in New Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this afternoon by 400 PM EDT.

&&


NJC027-272000-
/O.NEW.KPHI.FL.W.0018.230627T1100Z-230628T0600Z/
/BONN4.1.ER.230627T1630Z.230627T1800Z.230628T0400Z.NO/
404 AM EDT Tue Jun 27 2023

...FLOOD WARNING IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Rockaway River At Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 3:00 AM EDT Tuesday the stage was 3.5 feet.
  - Forecast...The river is expected to rise above flood stage
    this afternoon to a crest of 5.2 feet this afternoon. It will
    then fall below flood stage just after midnight tonight.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.3 feet on 03/22/2003.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   3.5  Tue 3 am   4.9  3.8        5.2 2pm 6/27


&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436


$$

Staarmann
4 follow-up statements
761 
WGUS81 KPHI 271052
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
652 AM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in New 
Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this evening by 700 PM EDT.

&&


NJC027-272300-
/O.CON.KPHI.FL.W.0018.230627T1100Z-230628T0600Z/
/BONN4.1.ER.230627T1430Z.230628T0000Z.230629T0000Z.NO/
652 AM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is forecast.

* WHERE...Rockaway River At Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 5:00 AM EDT Tuesday the stage was 4.1 feet.
  - Forecast...The river is expected to rise above flood stage
    late this morning to a crest of 5.9 feet this evening. It
    will then fall below flood stage tomorrow evening.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.0 feet on 06/22/2003.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   4.1  Tue 5 am   5.5  4.7        5.9 8pm 6/27


&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436


$$

Staarmann
945 
WGUS81 KPHI 271410
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1010 AM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in New 
Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Flooding is occurring or is imminent. Most flood related deaths 
occur in automobiles. Do not attempt to cross water covered bridges, 
dips, or low water crossings. Never try to cross a flowing stream, 
even a small one, on foot. To escape rising water find another route 
over higher ground.

Additional information is available at www.weather.gov/phi.

The next statement will be issued this evening by 1015 PM EDT.

&&


NJC027-280215-
/O.CON.KPHI.FL.W.0018.000000T0000Z-230628T0600Z/
/BONN4.1.ER.230627T1202Z.230628T0000Z.230628T2000Z.NO/
1010 AM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rockaway River At Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 9:00 AM EDT Tuesday the stage was 5.2 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 AM EDT Tuesday was 5.2 feet.
  - Forecast...The river is expected to rise to a crest of 6.3
    feet this evening. It will then fall below flood stage
    tomorrow afternoon.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.3 feet on 12/12/2003.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 am)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.2  Tue 9 am   5.4  4.5        6.3 8pm 6/27


&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436


$$

Kruzdlo
625 
WGUS81 KPHI 271951
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
351 PM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in New 
Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Flooding is occurring or is imminent. Most flood related deaths 
occur in automobiles. Do not attempt to cross water covered bridges, 
dips, or low water crossings. Never try to cross a flowing stream, 
even a small one, on foot. To escape rising water find another route 
over higher ground.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight by 200 AM EDT.

&&


NJC027-280600-
/O.CON.KPHI.FL.W.0018.000000T0000Z-230628T0600Z/
/BONN4.1.ER.230627T1202Z.230628T0000Z.230629T1800Z.NO/
351 PM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rockaway River At Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 3:00 PM EDT Tuesday the stage was 5.9 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 3:00 PM EDT Tuesday was 5.9 feet.
  - Forecast...The river is expected to rise to a crest of 6.0
    feet this evening. It will then fall below flood stage early
    Thursday afternoon.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    6.0 feet on 03/23/2010.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (2 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.9  Tue 3 pm   5.8  5.0        6.0 8pm 6/27


&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436


$$

Kruzdlo
030 
WGUS81 KPHI 280211
FLSPHI

Flood Statement
National Weather Service Mount Holly NJ
1011 PM EDT Tue Jun 27 2023

...The Flood Warning continues for the following rivers in New 
Jersey...

  Rockaway River At Boonton Below Resvr affecting Morris County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most 
flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Flooding is occurring or is imminent. Most flood related deaths 
occur in automobiles. Do not attempt to cross water covered bridges, 
dips, or low water crossings. Never try to cross a flowing stream, 
even a small one, on foot. To escape rising water find another route 
over higher ground.

Additional information is available at www.weather.gov/phi.

The next statement will be issued late tonight by 200 AM EDT.

&&


NJC027-280600-
/O.CON.KPHI.FL.W.0018.000000T0000Z-230628T0600Z/
/BONN4.1.ER.230627T1202Z.230627T1830Z.230629T0400Z.NO/
1011 PM EDT Tue Jun 27 2023

...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT 
TONIGHT...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Rockaway River At Boonton Below Resvr.

* WHEN...Until just after midnight tonight.

* IMPACTS...At 6.0 feet, Flooding occurs on Vail Road in Montville. 
  The Road heading into Parsippany is subject to closures.

* ADDITIONAL DETAILS...
  - At 9:00 PM EDT Tuesday the stage was 5.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 9:00 PM EDT Tuesday was 5.9 feet.
  - Forecast...The river is expected to rise to a crest of 5.8
    feet just after midnight tonight. It will then fall below
    flood stage early Thursday morning.
  - Flood stage is 5.0 feet.
  - Flood History...This crest compares to a previous crest of
    5.8 feet on 05/12/1981.
  - http://www.weather.gov/safety/flood

&&

Stream          Fld   Observed        Fcsts (8 pm)        Crest
Location        Stg   Stg Day/Time    Wed  Thu        Stg Time Date

Rockaway River
Boonton Below R 5.0   5.7  Tue 9 pm   5.2  4.4        5.8 2am 6/28


&&

LAT...LON 4087 7443 4092 7438 4087 7430 4082 7436


$$

MPS

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 8:42 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset48 min
Jun 26, 8:56 PM EDTAreal Flood AdvisoryPHISussex38 min
Jun 26, 8:56 PM EDTSpecial Weather StatementPHIWarren34 min
Jun 26, 9:21 PM EDTSpecial Weather StatementPHIMercer24 min
Jun 26, 9:30 PM EDTFlash Flood WarningPHIWarren3 hr
Jun 26, 9:31 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset44 min
Jun 26, 9:34 PM EDTFlash Flood WarningPHISussex2 hr
Jun 26, 9:46 PM EDTSpecial Marine WarningPHI59 min
Jun 26, 9:51 PM EDTSevere Thunderstorm WarningPHIGloucester, Salem54 min
Jun 26, 10:07 PM EDTSpecial Weather StatementPHIMiddlesex, Morris23 min
Jun 26, 10:26 PM EDTSevere Thunderstorm WarningPHIMorris16 min
Jun 26, 10:33 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Salem42 min
Jun 26, 10:41 PM EDTAreal Flood AdvisoryPHISussex, Warren84 min
Jun 26, 10:54 PM EDTAreal Flood AdvisoryPHICamden, Gloucester, Salem3 hr
Jun 26, 11:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Hunterdon, Mercer, Middlesex, Monmouth and 1 more53 min
Jun 26, 11:27 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Somerset3 hr
Jun 26, 11:35 PM EDTFlash Flood WarningPHIMercer6 hr
Jun 26, 11:42 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset33 min
Jun 27, 12:00 AM EDTAreal Flood WarningPHIHunterdon, Morris, Somerset, Sussex, Warren7 hr
Jun 27, 12:12 AM EDTSpecial Weather StatementPHIMonmouth33 min
Jun 27, 12:16 AM EDTSpecial Marine WarningPHI44 min
Jun 27, 1:26 AM EDTSpecial Marine WarningPHI49 min
Jun 27, 2:00 AM EDTSpecial Marine WarningPHI45 min
Jun 27, 3:02 AM EDTFlood WatchPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more46 min
Jun 27, 3:48 AM EDTFlood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more17 hr
Jun 27, 11:16 AM EDTAreal Flood AdvisoryPHIMorris, Sussex3 hr
Jun 27, 11:42 AM EDTAreal Flood AdvisoryPHIMonmouth2 hr
Jun 27, 3:05 PM EDTSevere Thunderstorm WarningPHICumberland, Salem40 min
Jun 27, 3:06 PM EDTSpecial Marine WarningPHI54 min
Jun 27, 3:32 PM EDTAreal Flood AdvisoryPHICumberland, Salem3 hr
Jun 27, 3:38 PM EDTSevere Thunderstorm WarningPHICumberland, Salem52 min
Jun 27, 3:41 PM EDTSevere Thunderstorm WarningPHISalem22 min
Jun 27, 3:52 PM EDTSpecial Marine WarningPHI53 min
Jun 27, 4:21 PM EDTSevere Thunderstorm WarningPHICumberland, Salem39 min
Jun 27, 4:24 PM EDTAreal Flood AdvisoryPHIWarren3 hr
Jun 27, 4:33 PM EDTSevere Thunderstorm WarningPHIWarren42 min
Jun 27, 4:36 PM EDTSevere Thunderstorm WarningPHICumberland, Salem26 min
Jun 27, 4:39 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer51 min
Jun 27, 5:01 PM EDTSevere Thunderstorm WarningPHIMorris, Warren44 min
Jun 27, 5:05 PM EDTSpecial Marine WarningPHI25 min
Jun 27, 5:17 PM EDTFlash Flood WarningPHISalem4 hr
Jun 27, 5:22 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden38 min
Jun 27, 5:23 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem32 min
Jun 27, 5:40 PM EDTSpecial Weather StatementPHIHunterdon, Somerset35 min
Jun 27, 5:45 PM EDTSpecial Weather StatementPHIWarren45 min
Jun 27, 5:49 PM EDTSpecial Weather StatementPHICamden26 min
Jun 27, 5:52 PM EDTAreal Flood AdvisoryPHISussex, Warren3 hr
Jun 27, 5:52 PM EDTSpecial Weather StatementPHIBurlington38 min
Jun 27, 5:57 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Cumberland, Gloucester, Mercer, Salem3 hr
Jun 27, 6:08 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden25 min
Jun 27, 6:12 PM EDTSpecial Weather StatementPHIMiddlesex, Morris, Somerset33 min
Jun 27, 6:15 PM EDTSpecial Weather StatementPHIWarren45 min
Jun 27, 6:35 PM EDTSpecial Weather StatementPHIBurlington25 min
Jun 27, 6:40 PM EDTSpecial Marine WarningPHI36 min
Jun 27, 6:46 PM EDTSevere Thunderstorm WarningPHIMorris44 min
Jun 27, 6:49 PM EDTAreal Flood AdvisoryPHISussex3 hr
Jun 27, 6:52 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more3 hr
Jun 27, 7:03 PM EDTSpecial Weather StatementPHISussex27 min
Jun 27, 7:30 PM EDTSpecial Weather StatementPHISussex30 min
Jun 27, 7:56 PM EDTSpecial Weather StatementPHIAtlantic34 min

Nearby

River Flood Warnings in New Jersey, 2023Every river flood warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.